<div class="example-wrapper">
    <div>
        <span class="button-group">
            <label>Available Undo's</label>
            <input id="undoInput" class="undo-redo-input" />
            <label>Available Redo's</label>
            <input id="redoInput" class="undo-redo-input" />
            <button id="undoBtn" class="undo-btn" onclick="undo()">Undo</button>
            <button id="redoBtn" class="redo-btn" onclick="redo()">Redo</button>
        </span>
    </div>
    <div id="myGrid"></div>
</div>
